Drill to Earth's Core Beginner Guide — Your First Hour

Your first hour, in order

Drill to Earth’s Core is a 30-player co-op descent. You are one crew on a drill machine that eats fuel and breaks walls, and the goal is to get as deep as possible before something goes wrong.

New players usually fail for the same two reasons: no drill power, or no fuel. Everything below is about avoiding those.

Step 1 — Buy Miner (100 Cores). It is the only cheap class unlock in the game. You get a Rusty Pickaxe and Miner Armor, and its pickaxe bonus is the income engine that pays for every other class. If you are weighing what comes after, the all classes page has the full price list and the tier list explains the order.

Step 2 — Mine coal before anything else. Coal is the reliable fuel source. Feeding the drill is not optional side content; running dry strands the whole crew.

Step 3 — Buy Common drill upgrades at the first rest stop. Drill Power and Fuel Storage cost 100 Coins each and increase by 20 Coins per tier. They are the cheapest meaningful purchase in the game.

Step 4 — Break your first boss wall. The Grass Layer boss wall has 100 HP, then 500 HP for the next stretch. That is deliberately gentle, so it is a good place to learn how the wall fight works.

Step 5 — Extract. Bank your loot at a rest stop instead of pushing until you wipe. Dying loses the run.

The loop you are actually learning

Once you strip out the noise, the game is a four-step cycle:

1. Mine ore nodes for Coins and materials.
2. Fuel the drill with coal so it can keep moving.
3. Upgrade at rest stops with the Coins you earned.
4. Break the wall, which opens the next layer and pays out Cores.

Everything else — classes, armor, dungeons, crafting — is an amplifier on that loop. If a run goes badly, the honest question is almost always “did I buy enough drill power?” rather than “did I pick the wrong class?”

Little Walls and Large Walls appear every 700 m to 1 km, with a Little Wall first and a Large Wall behind it. That is a lot of wall, which is why drill power compounds and combat damage does not.

Three mistakes to avoid

Buying a combat class first. Gunslinger, Bruiser and Demolitionist all cost 5,000 Cores and all add damage. In a 30-player server, damage is the one thing you already have. Drill power and income are what your team is short of.

Skipping fuel. Coal looks boring next to a new weapon. It is not boring when the Void Clay Wall Boss at 17,000 m empties your tank — a trap that catches players far past their first hour. The 100 KM plan covers that fight in detail.

Chasing the deepest layer. Depth is a career stat, not a per-run one. A run that extracts at 20,000 m with a full sack beats a run that dies at 40,000 m with nothing, and it is not close.

What to do next

• Work out what to buy. The Cores guide lists the achievement rewards and chest multipliers, and the honest answer for most new players is that Mine Ruby (175 Cores) and the free 30-Core badges — joining the group, playing with a friend, returning a second day — are the fastest early money.
• Fix your drill. The drill upgrades page has the full rarity list and the three-card combo that actually breaks boss walls.
• Learn the map. The layers page has every depth range, boss wall HP value and mutation, so you can see what is coming instead of discovering it.
• Then plan a long run. The 100 KM guide is the first run plan worth following once you have a class and a few upgrades.

One last thing worth knowing early: this game has no promo codes. There is no Codes button in the lobby, and any page offering free Cores for a code is talking about a different Roblox game. Cores come from achievements, daily quests, chests and boss walls.